return $mkfs_status
}
+# Returns the minimum XFS log size, in units of log blocks.
+_scratch_find_xfs_min_logblocks()
+{
+ local mkfs_cmd="`_scratch_mkfs_xfs_opts`"
+
+ # The smallest log size we can specify is 2M (XFS_MIN_LOG_BYTES) so
+ # pass that in and see if mkfs succeeds or tells us what is the
+ # minimum log size.
+ local XFS_MIN_LOG_BYTES=2097152
+
+ # Try formatting the filesystem with all the options given and the
+ # minimum log size. We hope either that this succeeds or that mkfs
+ # tells us the required minimum log size for the feature set.
+ #
+ # We cannot use _scratch_do_mkfs because it will retry /any/ failed
+ # mkfs with MKFS_OPTIONS removed even if the only "failure" was that
+ # the log was too small.
+ local extra_mkfs_options="$* -N -l size=$XFS_MIN_LOG_BYTES"
+ eval "$mkfs_cmd $MKFS_OPTIONS $extra_mkfs_options $SCRATCH_DEV" \
+ 2>$tmp.mkfserr 1>$tmp.mkfsstd
+ local mkfs_status=$?
+
+ # If the format fails for a reason other than the log being too small,
+ # try again without MKFS_OPTIONS because that's what _scratch_do_mkfs
+ # will do if we pass in the log size option.
+ if [ $mkfs_status -ne 0 ] &&
+ ! egrep -q '(log size.*too small, minimum|external log device.*too small, must be)' $tmp.mkfserr; then
+ eval "$mkfs_cmd $extra_mkfs_options $SCRATCH_DEV" \
+ 2>$tmp.mkfserr 1>$tmp.mkfsstd
+ mkfs_status=$?
+ fi
+
+ # mkfs suceeded, so we must pick out the log block size to do the
+ # unit conversion
+ if [ $mkfs_status -eq 0 ]; then
+ blksz="$(grep '^log.*bsize' $tmp.mkfsstd | \
+ sed -e 's/log.*bsize=\([0-9]*\).*$/\1/g')"
+ echo $((XFS_MIN_LOG_BYTES / blksz))
+ rm -f $tmp.mkfsstd $tmp.mkfserr
+ return
+ fi
+
+ # Usually mkfs will tell us the minimum log size...
+ if grep -q 'minimum size is' $tmp.mkfserr; then
+ grep 'minimum size is' $tmp.mkfserr | \
+ sed -e 's/^.*minimum size is \([0-9]*\) blocks/\1/g'
+ rm -f $tmp.mkfsstd $tmp.mkfserr
+ return
+ fi
+ if grep -q 'external log device.*too small, must be' $tmp.mkfserr; then
+ grep 'external log device.*too small, must be' $tmp.mkfserr | \
+ sed -e 's/^.*must be at least \([0-9]*\) blocks/\1/g'
+ rm -f $tmp.mkfsstd $tmp.mkfserr
+ return
+ fi
+
+ # Don't know what to do, so fail
+ echo "Cannot determine minimum log size" >&2
+ cat $tmp.mkfsstd >> $seqres.full
+ cat $tmp.mkfserr >> $seqres.full
+ rm -f $tmp.mkfsstd $tmp.mkfserr
+}
+
_scratch_mkfs_xfs()
{
local mkfs_cmd="`_scratch_mkfs_xfs_opts`"
_scratch_do_mkfs "$mkfs_cmd" "$mkfs_filter" $* 2>$tmp.mkfserr 1>$tmp.mkfsstd
mkfs_status=$?
+ grep -q crc=0 $tmp.mkfsstd && _force_xfsv4_mount_options
if [ $mkfs_status -eq 0 -a "$LARGE_SCRATCH_DEV" = yes ]; then
# manually parse the mkfs output to get the fs size in bytes
return $mkfs_status
}
+# Get the size of an allocation unit of a file. Normally this is just the
+# block size of the file, but for realtime files, this is the realtime extent
+# size.
+_xfs_get_file_block_size()
+{
+ local path="$1"
+
+ if ! ($XFS_IO_PROG -c "stat -v" "$path" 2>&1 | egrep -q '(rt-inherit|realtime)'); then
+ _get_block_size "$path"
+ return
+ fi
+
+ # Otherwise, call xfs_info until we find a mount point or the root.
+ path="$(readlink -m "$path")"
+ while ! $XFS_INFO_PROG "$path" &>/dev/null && [ "$path" != "/" ]; do
+ path="$(dirname "$path")"
+ done
+ $XFS_INFO_PROG "$path" | grep realtime | sed -e 's/^.*extsz=\([0-9]*\).*$/\1/g'
+}
+
+_xfs_get_fsxattr()
+{
+ local field="$1"
+ local path="$2"
+
+ local value=$($XFS_IO_PROG -c "stat" "$path" | grep -w "$field")
+ echo ${value##fsxattr.${field} = }
+}
+
# xfs_check script is planned to be deprecated. But, we want to
# be able to invoke "xfs_check" behavior in xfstests in order to
# maintain the current verification levels.
$XFS_DB_PROG "$@" $(_scratch_xfs_db_options)
}
+_test_xfs_db_options()
+{
+ TEST_OPTIONS=""
+ [ "$USE_EXTERNAL" = yes -a ! -z "$TEST_LOGDEV" ] && \
+ TEST_OPTIONS="-l$TEST_LOGDEV"
+ echo $TEST_OPTIONS $* $TEST_DEV
+}
+
+_test_xfs_db()
+{
+ $XFS_DB_PROG "$@" $(_test_xfs_db_options)
+}
+
+_scratch_xfs_admin()
+{
+ local options=("$SCRATCH_DEV")
+ local rt_opts=()
+ [ "$USE_EXTERNAL" = yes -a ! -z "$SCRATCH_LOGDEV" ] && \
+ options+=("$SCRATCH_LOGDEV")
+ if [ "$USE_EXTERNAL" = yes ] && [ -n "$SCRATCH_RTDEV" ]; then
+ $XFS_ADMIN_PROG --help 2>&1 | grep -q 'rtdev' || \
+ _notrun 'xfs_admin does not support rt devices'
+ rt_opts+=(-r "$SCRATCH_RTDEV")
+ fi
+
+ # xfs_admin in xfsprogs 5.11 has a bug where an external log device
+ # forces xfs_db to be invoked, potentially with zero command arguments.
+ # When this happens, xfs_db will wait for input on stdin, which causes
+ # fstests to hang. Since xfs_admin is not an interactive tool, we
+ # can redirect stdin from /dev/null to prevent this issue.
+ $XFS_ADMIN_PROG "${rt_opts[@]}" "$@" "${options[@]}" < /dev/null
+}
+
_scratch_xfs_logprint()
{
SCRATCH_OPTIONS=""
_xfs_check $SCRATCH_OPTIONS $* $SCRATCH_DEV
}
+# Check for secret debugging hooks in xfs_repair
+_require_libxfs_debug_flag() {
+ local hook="$1"
+
+ grep -q "$hook" "$(type -P xfs_repair)" || \
+ _notrun "libxfs debug hook $hook not detected?"
+}
+
_scratch_xfs_repair()
{
SCRATCH_OPTIONS=""
SCRATCH_OPTIONS="-l$SCRATCH_LOGDEV"
[ "$USE_EXTERNAL" = yes -a ! -z "$SCRATCH_RTDEV" ] && \
SCRATCH_OPTIONS=$SCRATCH_OPTIONS" -r$SCRATCH_RTDEV"
- [ "$LARGE_SCRATCH_DEV" = yes ] && SCRATCH_OPTIONS=$SCRATCH_OPTIONS" -t"
$XFS_REPAIR_PROG $SCRATCH_OPTIONS $* $SCRATCH_DEV
}
_scratch_mkfs_xfs >/dev/null 2>&1
_try_scratch_mount >/dev/null 2>&1 \
|| _notrun "Kernel doesn't support crc feature"
- xfs_info $SCRATCH_MNT | grep -q 'crc=1' || _notrun "crc feature not supported by this filesystem"
+ $XFS_INFO_PROG $SCRATCH_MNT | grep -q 'crc=1' || _notrun "crc feature not supported by this filesystem"
_scratch_unmount
}
fi
command=$1
+ _scratch_mkfs_xfs >/dev/null 2>&1
_scratch_xfs_db -x -c "help" | grep $command > /dev/null || \
_notrun "xfs_db $command support is missing"
}
local mountpoint="$1"
local device="$2"
- if [ ! -b "$device" ] || [ ! -e "$mountpoint" ]; then
+ if [ -z "$device" ] || [ -z "$mountpoint" ]; then
echo "Usage: _supports_xfs_scrub mountpoint device"
- exit 1
+ return 1
+ fi
+
+ if [ ! -b "$device" ] || [ ! -e "$mountpoint" ]; then
+ return 1
fi
test "$FSTYP" = "xfs" || return 1
return 0
}
+# Save a snapshot of a corrupt xfs filesystem for later debugging.
+_xfs_metadump() {
+ local metadump="$1"
+ local device="$2"
+ local logdev="$3"
+ local compressopt="$4"
+ shift; shift; shift; shift
+ local options="$@"
+ test -z "$options" && options="-a -o"
+
+ if [ "$logdev" != "none" ]; then
+ options="$options -l $logdev"
+ fi
+
+ $XFS_METADUMP_PROG $options "$device" "$metadump"
+ res=$?
+ [ "$compressopt" = "compress" ] && [ -n "$DUMP_COMPRESSOR" ] &&
+ $DUMP_COMPRESSOR -f "$metadump" &> /dev/null
+ return $res
+}
+
+# Snapshot the metadata on the scratch device
+_scratch_xfs_metadump()
+{
+ local metadump=$1
+ shift
+ local logdev=none
+
+ [ "$USE_EXTERNAL" = yes -a ! -z "$SCRATCH_LOGDEV" ] && \
+ logdev=$SCRATCH_LOGDEV
+
+ _xfs_metadump "$metadump" "$SCRATCH_DEV" "$logdev" nocompress "$@"
+}
+
# run xfs_check and friends on a FS.
_check_xfs_filesystem()
{
extra_options="-f"
fi
- if [ "$2" != "none" ]; then
- extra_log_options="-l$2"
- extra_mount_options="-ologdev=$2"
+ local logdev="$2"
+ if [ "$logdev" != "none" ]; then
+ extra_log_options="-l$logdev"
+ extra_mount_options="-ologdev=$logdev"
fi
- if [ "$3" != "none" ]; then
- extra_rt_options="-r$3"
- extra_mount_options=$extra_mount_options" -ortdev=$3"
+ local rtdev="$3"
+ if [ "$rtdev" != "none" ]; then
+ extra_rt_options="-r$rtdev"
+ extra_mount_options=$extra_mount_options" -ortdev=$rtdev"
fi
extra_mount_options=$extra_mount_options" $MOUNT_OPTIONS"
ok=1
# Run online scrub if we can.
- mntpt="$(_is_mounted $device)"
+ mntpt="$(_is_dev_mounted $device)"
if [ -n "$mntpt" ] && _supports_xfs_scrub "$mntpt" "$device"; then
- "$XFS_SCRUB_PROG" $scrubflag -v -d -n $device > $tmp.scrub 2>&1
+ # Tests can create a scenario in which a call to syncfs() issued
+ # at the end of the execution of the test script would return an
+ # error code. xfs_scrub internally calls syncfs() before
+ # starting the actual online consistency check operation. Since
+ # such a call to syncfs() fails, xfs_scrub ends up returning
+ # without performing consistency checks on the test
+ # filesystem. This can mask a possible on-disk data structure
+ # corruption. Hence consume such a possible syncfs() failure
+ # before executing a scrub operation.
+ $XFS_IO_PROG -c syncfs $mntpt >> $seqres.full 2>&1
+
+ "$XFS_SCRUB_PROG" $scrubflag -v -d -n $mntpt > $tmp.scrub 2>&1
if [ $? -ne 0 ]; then
_log_err "_check_xfs_filesystem: filesystem on $device failed scrub"
echo "*** xfs_scrub $scrubflag -v -d -n output ***" >> $seqres.full
$XFS_LOGPRINT_PROG -t $extra_log_options $device 2>&1 \
| tee $tmp.logprint | grep -q "<CLEAN>"
- if [ $? -ne 0 -a "$HOSTOS" = "Linux" ]; then
+ if [ $? -ne 0 ]; then
_log_err "_check_xfs_filesystem: filesystem on $device has dirty log"
echo "*** xfs_logprint -t output ***" >>$seqres.full
cat $tmp.logprint >>$seqres.full
# option (-t) to avoid indexing the free space trees doesn't make it pass on
# large filesystems. Avoid it.
if [ "$LARGE_SCRATCH_DEV" != yes ]; then
- _xfs_check $extra_log_options $device 2>&1 |\
- _fix_malloc >$tmp.fs_check
+ _xfs_check $extra_log_options $device 2>&1 > $tmp.fs_check
fi
if [ -s $tmp.fs_check ]; then
_log_err "_check_xfs_filesystem: filesystem on $device is inconsistent (c)"
if [ $? -ne 0 ]; then
_log_err "_check_xfs_filesystem: filesystem on $device is inconsistent (r)"
echo "*** xfs_repair -n output ***" >>$seqres.full
- cat $tmp.repair | _fix_malloc >>$seqres.full
+ cat $tmp.repair >>$seqres.full
echo "*** end xfs_repair output" >>$seqres.full
ok=0
fi
rm -f $tmp.fs_check $tmp.logprint $tmp.repair
+ if [ "$ok" -ne 1 ] && [ "$DUMP_CORRUPT_FS" = "1" ]; then
+ local flatdev="$(basename "$device")"
+ _xfs_metadump "$seqres.$flatdev.check.md" "$device" "$logdev" \
+ compress >> $seqres.full
+ fi
+
# Optionally test the index rebuilding behavior.
if [ -n "$TEST_XFS_REPAIR_REBUILD" ]; then
+ rebuild_ok=1
$XFS_REPAIR_PROG $extra_options $extra_log_options $extra_rt_options $device >$tmp.repair 2>&1
if [ $? -ne 0 ]; then
_log_err "_check_xfs_filesystem: filesystem on $device is inconsistent (rebuild)"
echo "*** xfs_repair output ***" >>$seqres.full
- cat $tmp.repair | _fix_malloc >>$seqres.full
+ cat $tmp.repair >>$seqres.full
echo "*** end xfs_repair output" >>$seqres.full
ok=0
+ rebuild_ok=0
fi
rm -f $tmp.repair
if [ $? -ne 0 ]; then
_log_err "_check_xfs_filesystem: filesystem on $device is inconsistent (rebuild-reverify)"
echo "*** xfs_repair -n output ***" >>$seqres.full
- cat $tmp.repair | _fix_malloc >>$seqres.full
+ cat $tmp.repair >>$seqres.full
echo "*** end xfs_repair output" >>$seqres.full
ok=0
+ rebuild_ok=0
fi
rm -f $tmp.repair
+
+ if [ "$rebuild_ok" -ne 1 ] && [ "$DUMP_CORRUPT_FS" = "1" ]; then
+ local flatdev="$(basename "$device")"
+ _xfs_metadump "$seqres.$flatdev.rebuild.md" "$device" \
+ "$logdev" compress >> $seqres.full
+ fi
fi
if [ $ok -eq 0 ]; then
{
_require_test
- if [ "$(xfs_info "$TEST_DIR" | grep -c "rmapbt=1")" -ne 1 ]; then
+ if [ "$($XFS_INFO_PROG "$TEST_DIR" | grep -c "rmapbt=1")" -ne 1 ]; then
_notrun "rmapbt not supported by test filesystem type: $FSTYP"
fi
}
_scratch_mkfs > /dev/null
_scratch_mount
- if [ "$(xfs_info "$SCRATCH_MNT" | grep -c "rmapbt=1")" -ne 1 ]; then
+ if [ "$($XFS_INFO_PROG "$SCRATCH_MNT" | grep -c "rmapbt=1")" -ne 1 ]; then
_scratch_unmount
_notrun "rmapbt not supported by scratch filesystem type: $FSTYP"
fi
fi
}
+_require_scratch_xfs_shrink()
+{
+ _require_scratch
+ _require_command "$XFS_GROWFS_PROG" xfs_growfs
+
+ _scratch_mkfs_xfs | _filter_mkfs 2>$tmp.mkfs >/dev/null
+ . $tmp.mkfs
+ _scratch_mount
+ # here just to check if kernel supports, no need do more extra work
+ local errmsg=$($XFS_GROWFS_PROG -D$((dblocks-1)) "$SCRATCH_MNT" 2>&1)
+ if [ "$?" -ne 0 ]; then
+ echo "$errmsg" | grep 'XFS_IOC_FSGROWFSDATA xfsctl failed: Invalid argument' > /dev/null && \
+ _notrun "kernel does not support shrinking"
+ echo "$errmsg" | grep 'data size .* too small, old size is ' > /dev/null && \
+ _notrun "xfsprogs does not support shrinking"
+ _fail "$XFS_GROWFS_PROG failed unexpectedly: $errmsg"
+ fi
+ _scratch_unmount
+}
+
# XFS ability to change UUIDs on V5/CRC filesystems
#
_require_meta_uuid()
|| _notrun "need case-insensitive naming support in mkfs.xfs"
}
+# this test requires mkfs.xfs have configuration file support
+_require_xfs_mkfs_cfgfile()
+{
+ echo > /tmp/a
+ _scratch_mkfs_xfs_supported -c options=/tmp/a >/dev/null 2>&1
+ res=$?
+ rm -rf /tmp/a
+ test $res -eq 0 || _notrun "need configuration file support in mkfs.xfs"
+}
+
# XFS_DEBUG requirements
_require_xfs_debug()
{
{
_scratch_xfs_set_metadata_field "$1" "$2" "sb 0"
}
+
+# Before xfsprogs commit 4222d000ed("db: write via array indexing doesn't
+# work"), xfs_db command to write a specific AGFL index doesn't work. It's a
+# bug in a diagnostic tool that is only used by XFS developers as a test
+# infrastructure, so it's fine to treat it as a infrastructure dependency as
+# all other _require rules.
+_require_xfs_db_write_array()
+{
+ local supported=0
+
+ _require_test
+ touch $TEST_DIR/$seq.img
+ $MKFS_XFS_PROG -d file,name=$TEST_DIR/$seq.img,size=512m >/dev/null 2>&1
+ $XFS_DB_PROG -x -c "agfl 0" -c "write bno[32] 78" $TEST_DIR/$seq.img \
+ >/dev/null 2>&1
+ $XFS_DB_PROG -x -c "agfl 0" -c "print bno[32]" $TEST_DIR/$seq.img \
+ | grep -q "bno\[32\] = 78" && supported=1
+ rm -f $TEST_DIR/$seq.img
+ [ $supported -eq 0 ] && _notrun "xfs_db write can't support array"
+}
+
+_require_xfs_spaceman_command()
+{
+ if [ -z "$1" ]; then
+ echo "Usage: _require_xfs_spaceman_command command [switch]" 1>&2
+ exit 1
+ fi
+ local command=$1
+ shift
+ local param="$*"
+ local param_checked=0
+ local opts=""
+
+ _require_command "$XFS_SPACEMAN_PROG" "xfs_spaceman"
+
+ testfile=$TEST_DIR/$$.xfs_spaceman
+ touch $testfile
+ case $command in
+ "health")
+ testio=`$XFS_SPACEMAN_PROG -c "health $param" $TEST_DIR 2>&1`
+ param_checked=1
+ ;;
+ *)
+ testio=`$XFS_SPACEMAN_PROG -c "help $command" $TEST_DIR 2>&1`
+ esac
+
+ rm -f $testfile 2>&1 > /dev/null
+ echo $testio | grep -q "not found" && \
+ _notrun "xfs_spaceman $command support is missing"
+ echo $testio | grep -q "Operation not supported" && \
+ _notrun "xfs_spaceman $command failed (old kernel/wrong fs?)"
+ echo $testio | grep -q "Invalid" && \
+ _notrun "xfs_spaceman $command failed (old kernel/wrong fs/bad args?)"
+ echo $testio | grep -q "foreign file active" && \
+ _notrun "xfs_spaceman $command not supported on $FSTYP"
+ echo $testio | grep -q "Inappropriate ioctl for device" && \
+ _notrun "xfs_spaceman $command support is missing (missing ioctl?)"
+ echo $testio | grep -q "Function not implemented" && \
+ _notrun "xfs_spaceman $command support is missing (missing syscall?)"
+
+ [ -n "$param" ] || return
+
+ if [ $param_checked -eq 0 ]; then
+ $XFS_SPACEMAN_PROG -c "help $command" | grep -q "^ $param --" || \
+ _notrun "xfs_spaceman $command doesn't support $param"
+ fi
+}
+
+_scratch_get_sfdir_prefix() {
+ local dir_ino="$1"
+
+ for prefix in "u.sfdir3" "u.sfdir2" "u3.sfdir3"; do
+ if [ -n "$(_scratch_xfs_get_metadata_field \
+ "${prefix}.hdr.parent.i4" \
+ "inode ${dir_ino}")" ]; then
+ echo "${prefix}"
+ return 0
+ fi
+ done
+ _scratch_xfs_db -c "inode ${dir_ino}" -c 'p' >> $seqres.full
+ return 1
+}
+
+_scratch_get_bmx_prefix() {
+ local ino="$1"
+
+ for prefix in "u3.bmx" "u.bmx"; do
+ if [ -n "$(_scratch_xfs_get_metadata_field \
+ "${prefix}[0].startblock" \
+ "inode ${ino}")" ]; then
+ echo "${prefix}"
+ return 0
+ fi
+ done
+ _scratch_xfs_db -c "inode ${ino}" -c 'p' >> $seqres.full
+ return 1
+}
+
+_scratch_get_iext_count()
+{
+ local ino=$1
+ local whichfork=$2
+ local field=""
+
+ case $whichfork in
+ "attr")
+ field=core.naextents
+ ;;
+ "data")
+ field=core.nextents
+ ;;
+ *)
+ return 1
+ esac
+
+ _scratch_xfs_get_metadata_field $field "inode $ino"
+}
+
+#
+# Ensures that we don't pass any mount options incompatible with XFS v4
+#
+_force_xfsv4_mount_options()
+{
+ local gquota=0
+ local pquota=0
+
+ # Can't have group and project quotas in XFS v4
+ echo "$MOUNT_OPTIONS" | egrep -q "(gquota|grpquota|grpjquota=|gqnoenforce)" && gquota=1
+ echo "$MOUNT_OPTIONS" | egrep -q "(\bpquota|prjquota|pqnoenforce)" && pquota=1
+
+ if [ $gquota -gt 0 ] && [ $pquota -gt 0 ]; then
+ export MOUNT_OPTIONS=$(echo $MOUNT_OPTIONS \
+ | sed -e 's/gquota/QUOTA/g' \
+ -e 's/grpquota/QUOTA/g' \
+ -e 's/grpjquota=[^, ]/QUOTA/g' \
+ -e 's/gqnoenforce/QUOTA/g' \
+ -e "s/QUOTA/defaults/g")
+ fi
+ echo "MOUNT_OPTIONS = $MOUNT_OPTIONS" >>$seqres.full
+}
+
+# Find AG count of mounted filesystem
+_xfs_mount_agcount()
+{
+ $XFS_INFO_PROG "$1" | grep agcount= | sed -e 's/^.*agcount=\([0-9]*\),.*$/\1/g'
+}
+
+# Wipe the superblock of each XFS AGs
+_try_wipe_scratch_xfs()
+{
+ local num='^[0-9]+$'
+ local agcount
+ local agsize
+ local dbsize
+
+ # Try to wipe each SB if there's an existed XFS
+ agcount=`_scratch_xfs_get_sb_field agcount 2>/dev/null`
+ agsize=`_scratch_xfs_get_sb_field agblocks 2>/dev/null`
+ dbsize=`_scratch_xfs_get_sb_field blocksize 2>/dev/null`
+ if [[ $agcount =~ $num && $agsize =~ $num && $dbsize =~ $num ]];then
+ for ((i = 0; i < agcount; i++)); do
+ $XFS_IO_PROG -c "pwrite $((i * dbsize * agsize)) $dbsize" \
+ $SCRATCH_DEV >/dev/null;
+ done
+ fi
+
+ # Try to wipe each SB by default mkfs.xfs geometry
+ local tmp=`mktemp -u`
+ unset agcount agsize dbsize
+ _scratch_mkfs_xfs -N 2>/dev/null | perl -ne '
+ if (/^meta-data=.*\s+agcount=(\d+), agsize=(\d+) blks/) {
+ print STDOUT "agcount=$1\nagsize=$2\n";
+ }
+ if (/^data\s+=\s+bsize=(\d+)\s/) {
+ print STDOUT "dbsize=$1\n";
+ }' > $tmp.mkfs
+
+ . $tmp.mkfs
+ if [[ $agcount =~ $num && $agsize =~ $num && $dbsize =~ $num ]];then
+ for ((i = 0; i < agcount; i++)); do
+ $XFS_IO_PROG -c "pwrite $((i * dbsize * agsize)) $dbsize" \
+ $SCRATCH_DEV >/dev/null;
+ done
+ fi
+ rm -f $tmp.mkfs
+}
+
+_require_xfs_copy()
+{
+ [ -n "$XFS_COPY_PROG" ] || _notrun "xfs_copy binary not yet installed"
+ [ "$USE_EXTERNAL" = yes ] && \
+ _notrun "Cannot xfs_copy with external devices"
+}
+
+__xfs_cowgc_interval_knob1="/proc/sys/fs/xfs/speculative_cow_prealloc_lifetime"
+__xfs_cowgc_interval_knob2="/proc/sys/fs/xfs/speculative_prealloc_lifetime"
+
+_xfs_set_cowgc_interval() {
+ if [ -w $__xfs_cowgc_interval_knob1 ]; then
+ echo "$@" > $__xfs_cowgc_interval_knob1
+ elif [ -w $__xfs_cowgc_interval_knob2 ]; then
+ echo "$@" > $__xfs_cowgc_interval_knob2
+ else
+ _fail "Can't find cowgc interval procfs knob?"
+ fi
+}
+
+_xfs_get_cowgc_interval() {
+ if [ -w $__xfs_cowgc_interval_knob1 ]; then
+ cat $__xfs_cowgc_interval_knob1
+ elif [ -w $__xfs_cowgc_interval_knob2 ]; then
+ cat $__xfs_cowgc_interval_knob2
+ else
+ _fail "Can't find cowgc interval procfs knob?"
+ fi
+}
+
+# Print the status of the given features on the scratch filesystem.
+# Returns 0 if all features are found, 1 otherwise.
+_check_scratch_xfs_features()
+{
+ local features="$(_scratch_xfs_db -c 'version')"
+ local output=("FEATURES:")
+ local found=0
+
+ for feature in "$@"; do
+ local status="NO"
+ if echo "${features}" | grep -q -w "${feature}"; then
+ status="YES"
+ found=$((found + 1))
+ fi
+ output+=("${feature}:${status}")
+ done
+
+ echo "${output[@]}"
+ test "${found}" -eq "$#"
+}
+
+# Skip a test if any of the given fs features aren't present on the scratch
+# filesystem. The scratch fs must have been formatted already.
+_require_scratch_xfs_features()
+{
+ local features="$(_scratch_xfs_db -c 'version' 2>/dev/null)"
+
+ for feature in "$@"; do
+ echo "${features}" | grep -q -w "${feature}" ||
+ _notrun "Missing scratch feature: ${feature}"
+ done
+}
+
+# Decide if xfs_repair knows how to set (or clear) a filesystem feature.
+_require_xfs_repair_upgrade()
+{
+ local type="$1"
+
+ $XFS_REPAIR_PROG -c "$type=garbagevalue" 2>&1 | \
+ grep -q 'unknown option' && \
+ _notrun "xfs_repair does not support upgrading fs with $type"
+}
+
+# Require that the scratch device exists, that mkfs can format with inobtcount
+# enabled, and that the kernel can mount such a filesystem.
+_require_scratch_xfs_inobtcount()
+{
+ _require_scratch
+
+ _scratch_mkfs -m inobtcount=1 &> /dev/null || \
+ _notrun "mkfs.xfs doesn't support inobtcount feature"
+ _try_scratch_mount || \
+ _notrun "kernel doesn't support xfs inobtcount feature"
+ _scratch_unmount
+}
+
+_xfs_timestamp_range()
+{
+ local device="$1"
+ local use_db=0
+ local dbprog="$XFS_DB_PROG $device"
+ test "$device" = "$SCRATCH_DEV" && dbprog=_scratch_xfs_db
+
+ $dbprog -f -c 'help timelimit' | grep -v -q 'not found' && use_db=1
+ if [ $use_db -eq 0 ]; then
+ # The "timelimit" command was added to xfs_db at the same time
+ # that bigtime was added to xfsprogs. Therefore, we can assume
+ # the old timestamp range if the command isn't present.
+ echo "-$((1<<31)) $(((1<<31)-1))"
+ else
+ $dbprog -f -c 'timelimit --compact' | \
+ awk '{printf("%s %s", $1, $2);}'
+ fi
+}
+
+# Require that the scratch device exists, that mkfs can format with bigtime
+# enabled, that the kernel can mount such a filesystem, and that xfs_info
+# advertises the presence of that feature.
+_require_scratch_xfs_bigtime()
+{
+ _require_scratch
+
+ _scratch_mkfs -m bigtime=1 &>/dev/null || \
+ _notrun "mkfs.xfs doesn't support bigtime feature"
+ _try_scratch_mount || \
+ _notrun "kernel doesn't support xfs bigtime feature"
+ $XFS_INFO_PROG "$SCRATCH_MNT" | grep -q -w "bigtime=1" || \
+ _notrun "bigtime feature not advertised on mount?"
+ _scratch_unmount
+}